GB658487A - Improvements in or relating to electric safety lamp - Google Patents

Improvements in or relating to electric safety lamp

Info

Publication number
GB658487A
GB658487A GB2920949A GB2920949A GB658487A GB 658487 A GB658487 A GB 658487A GB 2920949 A GB2920949 A GB 2920949A GB 2920949 A GB2920949 A GB 2920949A GB 658487 A GB658487 A GB 658487A
Authority
GB
United Kingdom
Prior art keywords
hood
lamp
handle
electric safety
relating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2920949A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB2920949A priority Critical patent/GB658487A/en
Publication of GB658487A publication Critical patent/GB658487A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
    • F21L14/00—Electric lighting devices without a self-contained power source, e.g. for mains connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)

Abstract

658,487. Safety lamps. PERSSON, F. R. Nov. 15, 1949, No. 29209. [Class 75(iv)] In an electric safety lamp having two spaced protective hoods 10, 11 the inner hood 10 is made of glass and the outer hood 11 is made of synthetic plastic. The outer plastic hood is either transparent or translucent and is spaced not less than five millimeters from the inner hood which is frosted. The outer hood is provided with a. threaded collar 14 for securing it to the body 6 of the lamp and with an internal shoulder 12 for clamping a flange 9 on the inner hood to the lamp body. Washers 8, 15 seal the joints. The lamp body 6 is made of heat resisting material such as asbestos-filled phenol formaldehyde condensation product and is of elongated shape to serve as a handle. The electric leads pass through the handle to the lamp socket 4.
GB2920949A 1949-11-15 1949-11-15 Improvements in or relating to electric safety lamp Expired GB658487A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2920949A GB658487A (en) 1949-11-15 1949-11-15 Improvements in or relating to electric safety lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2920949A GB658487A (en) 1949-11-15 1949-11-15 Improvements in or relating to electric safety lamp

Publications (1)

Publication Number Publication Date
GB658487A true GB658487A (en) 1951-10-10

Family

ID=10287877

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2920949A Expired GB658487A (en) 1949-11-15 1949-11-15 Improvements in or relating to electric safety lamp

Country Status (1)

Country Link
GB (1) GB658487A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE954274C (en) * 1953-07-15 1956-12-13 Kaiser & Spelsberg Moisture-proof luminaire
US2874270A (en) * 1959-02-17 Portable work light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2874270A (en) * 1959-02-17 Portable work light
DE954274C (en) * 1953-07-15 1956-12-13 Kaiser & Spelsberg Moisture-proof luminaire

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